pub-vips-net.tb.iss.as9143.net has no NS records.
NS records for this zone are defined at tb.iss.as9143.net.
NS records for this zone are defined at tb.iss.as9143.net.
Question and response
Question
dig pub-vips-net.tb.iss.as9143.net. NS
Answer
The response has no answer records.
Authority
tb.iss.as9143.net. 900 SOA ns1.as9143.net. dnsadmin.as9143.net. 142 10800 3600 2419200 900
Additional
. 0 OPT ; payload 1400, xrcode 0, version 0, flags 0